Calculus Help Please :)) Find all discontinuities for these functions and classify them as removable or nonremovable. Do not use a calculator

The parking lot of a store has the shape shown. all angles are right angles. what is the area of the parking lot?

David bought a poster for an art project. the poster is 2.7 feet wide and 3.9 feet tall. what is the area of the poster?

Use the formulas a = x 2 – y 2, b = 2xy, c = x 2 + y 2 to answer this question. one leg of a right triangle has length 11 and all sides are whole numbers. find the lengths of the other two sides. the other leg = a0 and the hypotenuse = a1